* {
  box-sizing: border-box;
}
body {
  font-size: 14px;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.col-1-4 {
  width: 25%;
  float: left;
}
.detail-header {
  background: #8c629e;
  overflow: hidden;
  padding-top: 10px;
  position: fixed;
  z-index: 10;
  width: 100%;
  height: 44px;
}
.detail-header .header-item {
  text-align: center;
  padding: 5px 15px;
}
.detail-header .header-item .hi-text {
  color: #fff;
  padding-bottom: 12px;
}
.detail-header .header-item.active .hi-text {
  border-bottom: 2px solid #fff;
}
.content-wrapper {
  width: 100%;
  overflow: hidden;
  padding-top: 44px;
}
.content-wrapper .content {
  background: yellow;
  overflow: hidden;
  width: 400%;
  -webkit-transition: transform 0.4s ease-in;
  -moz-transition: transform 0.4s ease-in;
  -ms-transition: transform 0.4s ease-in;
  -o-transition: transform 0.4s ease-in;
  transition: transform 0.4s ease-in;
}
.content-wrapper .content.s1 {
  -webkit-transform: translateX(-25%);
  -moz-transform: translateX(-25%);
  -ms-transform: translateX(-25%);
  -o-transform: translateX(-25%);
  transform: translateX(-25%);
}
.content-wrapper .content.s2 {
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
}
.content-wrapper .content.s3 {
  -webkit-transform: translateX(-75%);
  -moz-transform: translateX(-75%);
  -ms-transform: translateX(-75%);
  -o-transform: translateX(-75%);
  transform: translateX(-75%);
}
.content-wrapper .content .content-item {
  width: 25%;
  float: left;
}
.content-item:first-child {
  height: 1000px;
}
.content-item:nth-child(2) {
  height: 2000px;
}
.content-item:nth-child(3) {
  height: 2000px;
}
